If G = {7,8} and H ={5,4,2}, find `Gxx H` and `H xx G`

If G={7,8} , H={2,4,5} ,find GxxH and HxxG .

If U = {a,b,c,d,e,f,g,h}, find the complements of the following sets:D = {f,g,h,a}

Calculate the total pressure in bar in a mixture of 8g of O_2 and 4g of H_2 confined in a vessel of 1dm^3 at 27^@C .

Let f and g be differentiable functions such that f(3) = 5, g(3) = 7, f'(3) = 13, g'(3) = 6, f'(7) = 2 and g'(7) = 0 . If h(x) = (fog)(x) , then h'(3) =

If f(x) = 2x +|x| , g(x) =1/3 (2x -|x|) and h(x) =f (g(x)) , then domian of sin^(-1)underset("n times")(underbrace((h(h(h(h...h(x)...)))))) is

The following concentration were obtained for the formation of NH_(3)(g) from N_(2)(g) and H_(2)(g) at equilibrium and at 500 K: [N_(2)] = 1 xx 10^(-2)M, [H_(2)] = 2 xx 10^(-2)M and [NH_(3)] = 2xx 10^(-2)M . The equilibrium constant, K_(c) , for the reaction N_(2)(g) + 3H_(2)(g) hArr 2NH_(3)(g) at 500 K is

The Delta_r H^0 for CO_2 (g), CO(g) and H_2 O are -393.5,-110.5 and -241.8 kJ mol^(-1) respectively. The standard enthalpy change in (kJ) for the reaction: CO_2(g)+H_2(g) rarr CO(g)+H_2 O(g) is